# Synix. vs Project Lean

The clearest difference is ads: Project Lean at none against Synix.'s shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synix. ships an update every 3 weeks, Project Lean every 2 weeks. The most recent releases landed on September 10, 2026 and June 25, 2026 respectively.

## The numbers

| Metric | Synix. | Project Lean |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 227 MB | 45 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELEMENT FOR TECHNOLOGICAL DEVELOPMENT](https://appshunter.io/developer/1830185126) | [Stride Performance](https://appshunter.io/developer/1896537284) |

## What reviewers say

### Synix.

[App page](https://appshunter.io/ios/app/synix/id6755435065)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Project Lean

[App page](https://appshunter.io/ios/app/project-lean-coach-and-tracker/id6768079565)

**In-app purchases:** none


## Frequently asked questions

### Is Synix. free?

Synix. is free to download, with no in-app purchases.

### Is Project Lean free?

Project Lean is free to download, with no in-app purchases.

### Do Synix. or Project Lean have ads?

Synix. shows ads; Project Lean does not.

### Which is updated more often, Synix. or Project Lean?

Synix. ships an update every 3 weeks, and Project Lean every 2 weeks. Most recently, Synix. was updated on September 10, 2026 and Project Lean on June 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*